--TEST-- Test is_writable() and its alias is_writeable() function: error conditions --FILE-- expected var_dump( is_writeable(1, 2) ); echo "\n*** Testing is_writable() on non-existent file ***\n"; var_dump( is_writable(__DIR__."/is_writable") ); var_dump( is_writeable(__DIR__."/is_writable") ); echo "Done\n"; ?> --EXPECTF-- *** Testing is_writable(): error conditions *** Warning: is_writable() expects exactly 1 parameter, 0 given in %s on line %d NULL Warning: is_writeable() expects exactly 1 parameter, 0 given in %s on line %d NULL *** Testing is_writeable(): error conditions *** Warning: is_writable() expects exactly 1 parameter, 2 given in %s on line %d NULL Warning: is_writeable() expects exactly 1 parameter, 2 given in %s on line %d NULL *** Testing is_writable() on non-existent file *** bool(false) bool(false) Done